13587298740738 has 30 divisors (see below), whose sum is σ = 30445718972691. Its totient is φ = 4529083941468.

The previous prime is 13587298740737. The next prime is 13587298740739. The reversal of 13587298740738 is 83704789278531.

13587298740738 is a `hidden beast` number, since 1 + 3 + 587 + 2 + 9 + 8 + 7 + 4 + 0 + 7 + 38 = 666.

It is an interprime number because it is at equal distance from previous prime (13587298740737) and next prime (13587298740739).

It can be written as a sum of positive squares in only one way, i.e., 6793649370369 + 6793649370369 = 2606463^2 + 2606463^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2606463.

It is a super-2 number, since 2×13587298740738² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13587298740737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 46771531 + ... + 47061137.

Almost surely, 2^{13587298740738} is an apocalyptic number.

13587298740738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13587298740738 is an abundant number, since it is smaller than the sum of its proper divisors (16858420231953).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13587298740738 is an frugal number, since it uses more digits than its factorization.

13587298740738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579228 (or 289612 counting only the distinct ones).

The product of its (nonzero) digits is 568995840, while the sum is 72.

Multiplying 13587298740738 by its sum of digits (72), we get a square (978285509333136 = 31277556²).

The spelling of 13587298740738 in words is "thirteen trillion, five hundred eighty-seven billion, two hundred ninety-eight million, seven hundred forty thousand, seven hundred thirty-eight".